Optional chip: ЕМ4305, T5557, Т5577, 5200 Фреквенција: 125KHz Storage Capacity: 512bit Size: 43×30×5mm or 50×30×5mm, Can customized Read and write distance: 2~10цм, depending on the reader and the application environment Working temperature: -20℃~+80℃ Materials: ABS Erasable times : >100,000 times Storage: 10 years Colors: црвена, зелен, Плави, orange, жута, бео, опционо